[INFO] cloning repository https://github.com/xzfred/morelike
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xzfred/morelike" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxzfred%2Fmorelike", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxzfred%2Fmorelike'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0faf7c173456a6105ad9642f17ab2bb5e6270cf0
[INFO] testing xzfred/morelike against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxzfred%2Fmorelike" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xzfred/morelike on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xzfred/morelike
[INFO] finished tweaking git repo https://github.com/xzfred/morelike
[INFO] tweaked toml for git repo https://github.com/xzfred/morelike written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/xzfred/morelike already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e20b85889ab98fd36181bab221b372256bc1929e58e4a7f026aea33a6e5b75c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e20b85889ab98fd36181bab221b372256bc1929e58e4a7f026aea33a6e5b75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e20b85889ab98fd36181bab221b372256bc1929e58e4a7f026aea33a6e5b75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e20b85889ab98fd36181bab221b372256bc1929e58e4a7f026aea33a6e5b75c", kill_on_drop: false }`
[INFO] [stdout] 0e20b85889ab98fd36181bab221b372256bc1929e58e4a7f026aea33a6e5b75c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b461325a676d0a9c68b778fa15365a76cf7ec9c64b9afb87598178e43abdd378
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b461325a676d0a9c68b778fa15365a76cf7ec9c64b9afb87598178e43abdd378", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling termcolor v0.3.5
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling mach v0.2.3
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.3
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling env_logger v0.5.6
[INFO] [stderr]    Compiling pretty_env_logger v0.2.2
[INFO] [stderr]    Compiling morelike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `getThreadNum` should have a snake case name
[INFO] [stdout]   --> src/main.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn getThreadNum() {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_thread_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3" "/opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.1jawmcwht51chtb7.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmach-2602f26c744c6d3c.rlib" "/opt/rustwide/target/debug/deps/libtokio-aa5cd2bf49464880.rlib" "/opt/rustwide/target/debug/deps/libtokio_udp-d57756658a2ab29b.rlib" "/opt/rustwide/target/debug/deps/libtokio_codec-fba49cb329ee4af0.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-2c8e9d3e0f62a6e4.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-78a44f3379b69b1e.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-e5e165df6c52a8d3.rlib" "/opt/rustwide/target/debug/deps/libmio-00fd64e24ecb4529.rlib" "/opt/rustwide/target/debug/deps/libslab-6c6b088887912e08.rlib" "/opt/rustwide/target/debug/deps/libnet2-bc60bf584aea1ea1.rlib" "/opt/rustwide/target/debug/deps/liblazycell-9b3adb8f4a5e6354.rlib" "/opt/rustwide/target/debug/deps/libtokio_fs-cf4bb059d3418324.rlib" "/opt/rustwide/target/debug/deps/libtokio_threadpool-c0ff8509eb50a5e0.rlib" "/opt/rustwide/target/debug/deps/librand-40eb59daaad38e3f.rlib" "/opt/rustwide/target/debug/deps/librand_core-25a274eae6fa6966.rlib" "/opt/rustwide/target/debug/deps/librand_core-d71cae5282502013.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-af6e52a8cae6dba7.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-aef7875d44ce4871.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-2ed5841a33071c99.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-ec9abe82e49d46a8.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-850c4da9402742c3.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-2e0cc35fb4bfda5a.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-e9bb7e4bcaec038c.rlib" "/opt/rustwide/target/debug/deps/libnodrop-bef71567a77eed88.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-4d1d2bbb7d4cd73e.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-dd40e1a6a7059642.rlib" "/opt/rustwide/target/debug/deps/libbytes-79e8b78361262ba9.rlib" "/opt/rustwide/target/debug/deps/libiovec-dfcb93e4b0a18607.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-d681acca5bbe0675.rlib" "/opt/rustwide/target/debug/deps/libfutures-0c72414af16e1ef4.rlib" "/opt/rustwide/target/debug/deps/libpretty_env_logger-97cfa3e8dd978833.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-465ae8a868cf0075.rlib" "/opt/rustwide/target/debug/deps/libregex-526687d6efb1ab9e.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-44ccadcdce4912a4.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-a7540032f36d0443.rlib" "/opt/rustwide/target/debug/deps/libucd_util-a5f890de0fd81381.rlib" "/opt/rustwide/target/debug/deps/libthread_local-35713004ac6726a6.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f1dbf1fb93040649.rlib" "/opt/rustwide/target/debug/deps/libunreachable-4800234e85e61e85.rlib" "/opt/rustwide/target/debug/deps/libvoid-303d4565b8df76df.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-a16a1031f6a2d153.rlib" "/opt/rustwide/target/debug/deps/libmemchr-cddc9dbf3fd7b4a3.rlib" "/opt/rustwide/target/debug/deps/libatty-b9643d80fa51c575.rlib" "/opt/rustwide/target/debug/deps/liblibc-32e78cd0c0890b1b.rlib" "/opt/rustwide/target/debug/deps/libhumantime-e2dc375cbe7482be.rlib" "/opt/rustwide/target/debug/deps/libquick_error-dfa7ec31feab4720.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-55c0eaba311bcf0f.rlib" "/opt/rustwide/target/debug/deps/libansi_term-30c16cfc6179f9f1.rlib" "/opt/rustwide/target/debug/deps/liblog-46d224dae499b6ad.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-4ae6418f2ce383af.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/morelike-d456e9e21104b6d3.morelike.f2ocg9br-cgu.0.rcgu.o: in function `morelike::getThreadNum':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:40: undefined reference to `task_for_pid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/workdir/src/main.rs:45: undefined reference to `task_threads'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libmach-2602f26c744c6d3c.rlib(mach-2602f26c744c6d3c.mach.539gkceg-cgu.14.rcgu.o): in function `mach::traps::mach_task_self':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mach-0.2.3/src/traps.rs:15: undefined reference to `mach_task_self_'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `morelike`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b461325a676d0a9c68b778fa15365a76cf7ec9c64b9afb87598178e43abdd378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b461325a676d0a9c68b778fa15365a76cf7ec9c64b9afb87598178e43abdd378", kill_on_drop: false }`
[INFO] [stdout] b461325a676d0a9c68b778fa15365a76cf7ec9c64b9afb87598178e43abdd378
